犬维生素D的代谢特点及其在犬生命周期的重要性

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关键词：维生素D；营养需求；宠物食品；动物健康

中图分类号：S829.2文献标志码：A文章编号：1001-5779（2025）05-0492-06

DOI：10.3969/j.issn.1001-5779.2025.05.014

Abstract：Withthegrowing numberofcompanionanimals globall，canineshavebecomeasignificantsourceof emotional support forhumans.Concurently，asacrucial modelanimal，caninesofervitalcontributions totheinvestigationof humanpathophysiological mechanismsand the development of therapeutic strategies for major diseases.Vitamin D，an essential lipid-soluble vitamin，playsa pivotal roleinregulating various caninephysiologicalfunctions，includingcell growth，celldiferentiation，immuneresponse，reproductionandmineralmetabolism.Thisreviewprovidesanoverviewof the metaboliccharacteristicsofcaninevitamin D，thenutritionalrequirements forvitaminDatdiferentcaninelifestages， andtheinfluenceof petfoodsonvitaminD.Itofersreferencesand guidancesforthenutritionandhealthofcanine-mode animalsin thedevelopmentof life sciences.

KeyWords：VitaminD；Nutritional requirements;Petfood;Animal health

由于近年来我国养犬数量不断增加，犬的营养健康成为人们日益关注的话题。（剩余12400字）